Directory / News / September 2026
Construction AI News: September 2026
Grouped by announcement date. Each item page also shows when we published it.
- Miter raises $40M Series B led by Battery Ventures for construction payroll and back-office AIMiter, a workforce and back-office platform for contractors covering payroll, HR, field operations and expenses, announced a $40 million Series B led by Battery Ventures, with Bessemer and Coatue participating. Total funding is now $78 million. Miter says most of the money will go to building AI products.
- Quotr raises $4M seed round for AI construction estimating and procurementQuotr, a Berkeley-based AI estimating and procurement platform, raised a $4 million seed round led by Llama Ventures with strategic angel investors. The company says it will use the money to expand enterprise deployments, grow its supplier network and push into data center, heavy industrial and mission-critical work.
- Weekly roundup: week of Sep 28, 20262 verified construction AI stories announced Sep 28 to Oct 4, 2026: Quotr raises $4M seed round for AI construction estimating and procurement; Miter raises $40M Series B led by Battery Ventures for construction payroll and back-office AI.
- Adaptive raises $30M Series B led by Tidemark for construction accounting agentsAdaptive, which builds AI agents for construction job costing, AP, billing and WIP, raised a $30 million Series B led by Tidemark, bringing total funding to $57 million. The company claims more than 750 construction companies use it. It says a person reviews every agent action before posting.
- Autodesk shows construction agents and a Daily Log Agent at AU 2026, with its next-gen Assistant due in 2027At Autodesk University 2026, Autodesk announced a mobile Daily Log Agent that turns a superintendent's spoken update into a daily log, plus agents for document search, submittal review and bid proposals. Its next-generation Autodesk Assistant was only previewed, with rollout planned to begin in 2027.
- Buildots raises $130M led by O.G. Venture Partners, bringing total funding to $297MBuildots, which uses AI and site capture to track progress on large projects, announced $130 million in new funding led by O.G. Venture Partners, with Lightspeed, Intel Capital and others. Its total raised is now $297 million. CTech reported a valuation of nearly $1 billion.
- Weekly roundup: week of Sep 14, 20263 verified construction AI stories announced Sep 14 to Sep 20, 2026. Each item links to our full brief, with a primary source and independent coverage.
- OpenSpace unveils live indoor location, Site Mode and an AI agent platform at Waypoint 2026At its Waypoint 2026 event, OpenSpace announced AI Autolocation 2.0 with Live Location for real-time indoor positioning, a Site Mode that shows your location on drawings and BIM even offline, and an early-access Agent Ecosystem that gives AI agents jobsite visual data, including through MCP.
- Buildcheck raises $12M Series A for AI drawing review, with DPR's venture arm participatingBuildcheck, which uses computer vision to check construction drawings for errors, omissions and coordination conflicts, raised a $12 million Series A led by Telescope Partners. DPR Construction's venture arm, WND Ventures, also invested. The company says it has 110+ paying customers.
- Weekly roundup: week of Sep 7, 20262 verified construction AI stories announced Sep 7 to Sep 13, 2026: Buildcheck raises $12M Series A for AI drawing review, with DPR's venture arm participating; OpenSpace unveils live indoor location, Site Mode and an AI agent platform at Waypoint 2026.